linux-kernel - Re: [PATCH v4 4/8] bits: introduce fixed-type BIT

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Message-ID: <87v7smwpa6.fsf@intel.com>
Date: Thu, 06 Mar 2025 10:12:49 +0200
From: Jani Nikula <jani.nikula@...ux.intel.com>
To: David Laight <david.laight.linux@...il.com>, Andy Shevchenko
 <andriy.shevchenko@...ux.intel.com>
Cc: Vincent Mailhol <mailhol.vincent@...adoo.fr>, Yury Norov
 <yury.norov@...il.com>, Lucas De Marchi <lucas.demarchi@...el.com>, Rasmus
 Villemoes <linux@...musvillemoes.dk>, Joonas Lahtinen
 <joonas.lahtinen@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>,
 Tvrtko Ursulin <tursulin@...ulin.net>, David Airlie <airlied@...il.com>,
 Simona Vetter <simona@...ll.ch>, Andrew Morton
 <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
 intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, Andi
 Shyti <andi.shyti@...ux.intel.com>, David Laight
 <David.Laight@...lab.com>, Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH v4 4/8] bits: introduce fixed-type BIT

On Wed, 05 Mar 2025, David Laight <david.laight.linux@...il.com> wrote:
> So it is even questionable whether BIT8() and BIT16() should even
> exist at all.

If nothing else, they do provide compile time checks for the bit being
0..7 and 0..15, respectively.

BR,
Jani.


-- 
Jani Nikula, Intel